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Knowledge Bank

Here you’ll find information, tips and tricks, and in-depth explanations of hydraulic components and functions.

We’ve gathered useful technical information here!

This section contains details about our products and their functions — everything from how SUN Hydraulics creates its model designations, to machining tips for SUN cavities, and how to best avoid leakage during assembly. We’ve also included articles explaining hydraulic functions, hydraulic valves, motion damping, and electronic valve control.

Contact us if you have any questions!

Is there something you’d like to know more about, or a tip that hasn’t been published yet?

Get in touch — we’re happy to answer your questions and add new information to this collection of tips. Our knowledge base is constantly growing!

Avoid leakage between sandwich manifolds

Be meticulous when assembling sandwich stacks – improper installation can lead to leakage, which affects both performance and operational reliability. When stacking multiple sandwich manifolds on top of each other,…
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Technical information about SAE flanges

An SAE flange is a standardized hydraulic connection interface designed according to specifications set by the Society of Automotive Engineers (SAE). It provides a reliable and leak-free method for connecting…
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Hydrostatic transmission

A hydrostatic transmission is a type of power transmission system that uses hydraulics to transfer power and regulate speed in a machine or vehicle. It consists of three main components:…
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Sun Hydraulics Datumkoder för hydraulventiler och hydraulblock

SUN Hydraulics date codes

SUN Hydraulics uses date codes on their cartridge valves to track the exact manufacturing date. In the attached document, the date key is explained. SUN Hydraulics date codes from 1986…
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Proportionalstyrd flödesventil

New proportional flow control valve

The new patented FREP valve combines electrically proportional variable throttling with a compensator in a single unit. This allows for a constant priority flow regardless of variations in load pressure.…
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DTAF-S hydraulisk mjukskiftande on/off ventil

Soft Shift DTAF-S

A common challenge in hydraulic systems is pressure spikes during valve shifting or unloading. These spikes place unnecessary stress on the system and can eventually lead to leaks or other…
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There is a shock absorber for every need

Need to dampen or control motion in hatches, protective covers, service panels, inspection hatches, fire dampers, smoke vents, engine covers, or other moving components? We offer suitable products for virtually…
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2-speed manifolds

Why complicate things? Sun offers over 700 ready-made solutions for a wide range of functions. One of these is ready-to-use two-speed manifolds. The function is available both as sandwich manfolds…
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80% less components

Fewer components, reduced volume, and shorter assembly time. Below is an example of one of many custom solutions developed by Hydnet – with a clear focus on reducing component count,…
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Sun Hydraulics ventiler SEA ISO Kavitet

More SUN valves with common cavity

SUN Hydraulics Expands Its Range of Valves for SAE Cavities (ISO 17209:2013), Also Known as Common Cavity or UNF Cavity. Replace Valves from Parker, HydraForce, Danfoss, and Eaton Vickers These…
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Tryckfilter till hydrostatiska system

Pressure filter for hydrostatic systems

For protection of actuators, pumps and motors with Schroeder filter 14-CRZX10. Contamination during cold start of hydraulic systems Generally, almost all contamination enters the hydraulic system during cold start. The…
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Roterande svivelkopplingar direkt i hydraulblocket

Swivel Couplings in Cartridge Style

You can now integrate swivel couplings (rotary joints) directly into hydraulic manifolds with SUN components. A swivel joint is a rotating connection that allows 360-degree rotation between the hose and…
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